Computational thinking

Commands, robots, loops, algorithms and cryptography.

15 exercises · 30 progressive levels, from basic to advanced

1. Commands

   Follow instructions step by step.

2. Programmable robot

   Program the robot to reach the star.

3. Conditionals

   IF… THEN… ELSE.

4. Loops

   Loops and nested loops.

5. Algorithms

   Order steps and find the mistake.

6. Debugging

   Find the bug in the program.

7. Sorting

   Bubble sort and minimum swaps.

8. Binary search

   Find the number in few guesses.

9. Reading code

   What are the variables’ values at the end?

10. Flowcharts

    Follow the flow and find the output.

11. Classification

    Group things by features, like a computer.

12. Visual code

    What drawing does the program make?

13. Cryptography

    Caesar cipher: encode and decode.

14. Automation

    Find the machine’s rule.

15. Programmer mission

    Combined programming challenges.